And here's the tackle for the mainsheet:
See that snap shackle at the top? That snaps onto a pad eye (or an eye strap) on the boom, like you see here.
Keep 'em coming, there's no such thing as a stupid question. I'd be happy to take a phone call, but this is likely faster and more productive- I can attach a photo which will explain things better and more quickly then a verbal description via Ma Bell.